Home / 25,797.61-38,695.47-15,129.91

Finding the Fourth Proportional to 25,797.61, 38,695.47 and 15,129.91

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Solution

The fourth proportional to 25,797.61, 38,695.47 and 15,129.91 is: 22,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797.61 : 38,695.47 = 15,129.91 : x
  2. Step 2: Convert to fraction form
    25,797.61/38,695.47 = 15,129.91/x
  3. Step 3: Cross multiply
    25,797.61x = 38,695.47 × 15,129.91
  4. Step 4: Simplify right side
    25,797.61x = 585,458,978.51
  5. Step 5: Solve for x
    x = 585,458,978.51/25,797.61
  6. Step 6: Final answer
    x = 22,694.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.